While compiling, the compiler gives the error that operator== not allowed and also regarding the use of Test(const Test& ..). I have to use these two methods in making a activex control. Please suggest some method, tips so that I can use all the methods of Test class.
Please reply as quick as possible as it is urgent.

As far as I understand, you want to expose the operator== and copy constructor of Test class through some interface (e.g. ITest). An interface does not have a constructor, nor operator overloading. You

As far as I understand, you want to expose the operator== and copy constructor of Test class through some interface (e.g. ITest). An interface does not have a constructor, nor operator overloading. You can define instead some methods like
HRESULT isEqual (.. , BOOL *pbEqual)
HRESUTL copy(.., Test **ppTest)

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